MicroLux Finishes
Melbourne Microcement Specialists
MicroLux Microcement Coating System™
A technical overview of the MicroLux Microcement Coating System™ built using Cemher MicrOne products and the conditions required for long-term performance in Melbourne projects.
Microcement is widely misunderstood. There is a significant difference between decorative skim coatings and full resin-based structural systems.
This document outlines:
- The MicroLux Microcement Coating System™ installed by MicroLux
- Performance characteristics and substrate requirements
- Common failure causes and how to avoid them
- Suitable and unsuitable applications
- Assessment requirements for project viability
Important:
Microcement is not suitable in every project. System performance is dependent on correct preparation and installation methodology.
Technical Overview
What Is the MicroLux Microcement Coating System™?
A proprietary resin-based microcement system built using Cemher MicrOne products, designed for continuous seamless finishes with engineered durability.
Full structural system, not decorative coating
Multi-layer application with reinforcement
Base, mesh, finish, protective sealers
System Comparison
Decorative Skim Coats
Cosmetic application only
- Approximately 1mm thickness
- Limited structural integrity
- Not suitable for wet areas
- Prone to cracking and delamination
- Lower upfront cost, higher failure risk
Full Resin-Based Systems
Engineered for durability
- 2-3mm total build with reinforcement
- High structural integrity and flexibility
- Compatible with certified waterproofing
- Crack-resistant when substrate stable
- Premium architectural finish with longevity
MicroLux Position:
MicroLux does NOT install decorative skim systems. We exclusively install the MicroLux Microcement Coating System™ built using Cemher MicrOne products, engineered for long-term performance.
Material Science
Material Composition & Chemistry
Understanding what makes resin-based microcement fundamentally different from traditional cementitious systems.
Resin-Based Systems (MicroLux System™ using Cemher MicrOne Products)
Primary Binder: Polymer Resins
- Acrylic and epoxy-modified polymer matrices provide flexibility and adhesion
- Water-resistant at molecular level - each layer is inherently water-repellent
- Elastic properties allow micro-movement without cracking (up to 2-3% elongation)
- Superior adhesion to diverse substrates including tiles, concrete, cement sheet
Aggregate Components:
Fine mineral aggregates (typically marble dust, quartz, silica) sized 0.1-0.6mm for smooth finish and structural density
Additives & Modifiers:
Rheology modifiers, UV stabilizers, anti-fungal agents, and pigments integrated throughout the matrix
Cementitious Systems (Traditional)
Primary Binder: Portland Cement
- Rigid crystalline structure - minimal flexibility once cured
- Porous matrix - water penetration occurs unless sealed externally
- Prone to hairline cracking from substrate movement or shrinkage
- Water resistance depends entirely on topical sealer integrity
Critical Risk in Wet Areas:
Cementitious systems are still widely used in Australian bathrooms despite being inherently porous. Water resistance relies solely on the sealer - if compromised, water penetrates the cement matrix leading to substrate damage, mould growth, and structural failure.
Why Resin-Based Systems Are Superior for Wet Areas
Layer-by-Layer Water Resistance
Every layer of the system is water-resistant, not just the final sealer. If the sealer is scratched or worn, the underlying layers still provide protection.
Flexibility Prevents Cracking
Polymer matrix accommodates minor substrate movement that would cause rigid cement systems to crack and expose porous material.
Non-Porous Matrix
Closed polymer structure prevents water absorption, bacterial growth, and staining at the material level.
Integrated Waterproofing Compatibility
Works in conjunction with certified waterproofing membranes as a protective finish layer, not as a replacement.
Applications
Where the MicroLux System Can Be Applied
Comprehensive guide to suitable applications, performance expectations, and project-specific considerations.
Bathrooms & Wet Areas
Shower walls, floors, vanity surrounds, bath surrounds
✓ Suitable When:
- • Certified waterproofing membrane installed beneath system
- • Substrate is stable (concrete slab, cement sheet, stable tile base)
- • Adequate ventilation and drainage design
- • Proper detailing at penetrations and junctions
Performance Characteristics:
- • Seamless finish eliminates grout lines (reduces mould growth areas)
- • Easy to clean with neutral pH cleaners
- • Slip resistance can be specified via sealer selection
- • Warm underfoot compared to tiles
Important:
Microcement does NOT replace waterproofing. It is applied over certified waterproofing systems as a decorative and protective finish.
Residential Floors
Living areas, kitchens, hallways, bedrooms
✓ Ideal For:
- • Concrete slabs (new builds or existing)
- • Over existing tiles (subject to adhesion testing)
- • Open-plan living areas requiring continuous finish
- • Underfloor heating systems (excellent thermal conductivity)
Performance Expectations:
- • High abrasion resistance with proper sealer system
- • Patina develops over time (natural characteristic)
- • Resealing recommended every 2-5 years depending on traffic
- • Can be repaired if damaged (unlike tiles which require replacement)
⚠ Considerations:
Microcement does NOT replace waterproofing. It is applied over certified waterproofing systems as a decorative and protective finish.
Feature Walls & Vertical Surfaces
Living rooms, bedrooms, commercial spaces, exterior walls (protected)
✓ Applications:
- • Accent walls in living areas
- • Fireplace surrounds (heat-resistant formulations available)
- • Kitchen splashbacks (sealed for easy cleaning)
- • Commercial reception areas and retail spaces
- • Exterior walls under eaves or covered areas
Design Benefits:
- • Seamless transition from walls to floors possible
- • Can be applied to curved surfaces
- • Minimal thickness preserves architectural details
- • Wide range of textures and finishes available
Commercial Applications
Retail, hospitality, offices (subject to assessment)
✓ Suitable Environments:
- • Boutique retail spaces and showrooms
- • Restaurant and café interiors
- • Hotel bathrooms and feature areas
- • Office reception and meeting rooms
- • Gym and wellness center wet areas
⚠ Requires Detailed Assessment:
- • Traffic volume and pattern analysis
- • Maintenance schedule capability
- • Chemical exposure (cleaning products, food service)
- • Timeline constraints (curing period required)
Commercial Viability:
Not all commercial applications are suitable. High-traffic industrial environments, commercial kitchens, and areas with heavy equipment may require alternative solutions.
Outdoor Applications
Suitable for outdoor use including direct sunlight and rain exposure
✓ Suitable Outdoor Areas:
- • Covered alfresco areas and verandas
- • Pool surrounds (covered or exposed)
- • Balconies and terraces
- • Exterior walls (protected or exposed)
- • Outdoor entertaining areas
- • Pathways and driveways (subject to assessment)
Weather Resistance:
- • UV-stable - suitable for direct sunlight exposure
- • Rain-resistant - can withstand direct rainfall
- • Suitable for Australian outdoor conditions
- • Proper substrate preparation essential for outdoor applications
✗ Not Suitable For:
- • Pool interiors (specialised systems required)
- • Freeze-thaw climate zones
- • Areas with standing water or poor drainage
Outdoor Performance:
The CEMHER MicrOne system is engineered for outdoor use and can handle direct sunlight and rain exposure. Proper substrate preparation and application are essential for optimal outdoor performance.
Design Options
Colours, Textures & Finish Options
Extensive customisation possibilities while maintaining technical performance standards.
Colour Palette
The MicroLux Microcement Coating System™ built using Cemher MicrOne products offers extensive colour customisation through integrated pigments. Colours are mixed into the material itself, not applied topically.
Neutral Tones (Most Popular):
- • Warm greys (light to charcoal)
- • Beiges and taupes
- • Off-whites and creams
- • Soft concrete grey
Earth Tones:
- • Terracotta and clay
- • Ochre and sand
- • Olive and sage greens
- • Warm browns
Contemporary Tones:
- • Deep charcoals and blacks
- • Slate blues
- • Muted greens
- • Soft blush and rose
Custom Colors:
- • Color matching available
- • Sample boards provided
- • Test patches recommended
- • Lighting affects appearance
Important Colour Considerations:
Final colour appearance is influenced by application technique, number of coats, sealer type, and lighting conditions. Physical samples viewed in actual project lighting are essential.
Texture & Application Techniques
1. Smooth Finish (Most Common)
Ultra-smooth, almost polished appearance achieved through fine troweling and multiple finish coats.
- • Minimal texture variation
- • Reflects light evenly
- • Contemporary aesthetic
- • Easiest to clean
- • Best for walls and low-traffic floors
2. Medium Texture
Subtle trowel marks and natural variation create depth and character.
- • Visible application marks (intentional)
- • Organic, handcrafted appearance
- • Hides minor imperfections better
- • • Popular for residential floors
- • Adds visual interest
3. Rustic/Textured Finish
Pronounced texture with deliberate trowel marks and material build-up.
- • Strong visual texture
- • Feature wall applications
- • More challenging to clean
- • Not recommended for floors
- • Artistic, statement finish
Sealer Systems & Finish Appearance
The sealer system is critical for both protection and final aesthetic. We exclusively offer matte finish sealers for optimal performance and aesthetic.
Matte Finish
- • No sheen or gloss
- • Natural, raw appearance
- • Shows patina over time
- • Requires periodic resealing
- • Popular for residential applications
- • Authentic microcement aesthetic
Sealer Performance Factors:
Slip resistance, chemical resistance, UV stability, and wear resistance are all optimised with our matte sealer system. Application-specific sealer selection is part of the assessment process.
Comparative Analysis
How the MicroLux System Compares to Alternative Finishes
Objective comparison to help you make informed material selection decisions.
Microcement vs Tiles
Microcement Advantages:
- Seamless finish - no grout lines to clean or maintain
- Can be applied over existing tiles (saves demolition)
- Repairable if damaged (tiles require full replacement)
- Minimal thickness (2-3mm vs 10-15mm for tiles)
- Warmer underfoot, less cold than ceramic
- Continuous flow across large areas
Tile Advantages:
- Extremely hard surface (porcelain)
- No resealing required
- Lower cost for basic installations
- Wider availability of installers
- Immediate use after grouting (no curing period)
Microcement vs Polished Concrete
Microcement Advantages:
- Can be applied to walls and ceilings (concrete cannot)
- Suitable for renovations (doesn't require concrete slab)
- Wider color range and customization
- No grinding dust or heavy equipment required
- Warmer aesthetic (less industrial)
Polished Concrete Advantages:
- Extremely durable (concrete mass)
- Exposed aggregate aesthetic (if desired)
- Lower cost for new builds with suitable slab
- Thermal mass benefits
Microcement vs Epoxy Flooring
Microcement Advantages:
- Natural, architectural aesthetic (not plastic-looking)
- Suitable for residential interiors
- Matte finish for authentic aesthetic
- Can be applied to walls and vertical surfaces
- Lower VOC emissions
Epoxy Advantages:
- Extreme chemical resistance (industrial grade)
- Suitable for garages and workshops
- High-gloss finish (if desired)
- Lower cost for basic systems
Microcement vs Vinyl/LVT Flooring
Microcement Advantages:
- Authentic material (not imitation)
- No seams or joins in large areas
- Premium architectural finish
- Higher perceived value and resale appeal
- Can be applied to walls (continuous aesthetic)
Vinyl/LVT Advantages:
- Significantly lower cost
- Faster installation
- Soft underfoot (cushioned)
- DIY-friendly for some products
- Immediate use after installation
Technical Requirements
Substrate Requirements & Preparation
Substrate condition is the single most critical factor in microcement longevity.
Critical Principle:
Microcement is only as stable as the substrate beneath it. A perfect installation over an unstable substrate will fail. Substrate assessment is non-negotiable.
✓ Suitable Substrates
Concrete Slabs (Ideal)
- • Minimum 28 days cured
- • Free from active cracking or movement
- • Properly levelled and finished
- • Moisture content below 4%
Existing Tiles (Common in Renovations)
- • All tiles firmly adhered (no hollow sounds)
- • Surface thoroughly cleaned and degreased
- • Grout lines filled and levelled
- • Adhesion testing performed
- • Substrate beneath tiles must be stable
Renovation Advantage:
Applying microcement over existing tiles eliminates demolition costs, waste removal, and substrate damage risk.
Cement Sheet / Fibre Cement Board
- • Properly fixed with adequate screw spacing
- • Joints taped and filled (flush finish)
- • Suitable for wall and ceiling applications
- • Common in bathroom renovations
Plasterboard (Suitable)
- • Properly fixed and structurally sound
- • Joints taped and finished flush
- • Suitable for wall applications
- • Requires appropriate priming
- • Not suitable for wet areas without waterproofing
Rendered Walls (Internal & External)
- • Fully cured and stable
- • No delamination or crumbling
- • Surface prepared and sealed
⚠ Problematic Substrates (Require Special Consideration)
Timber Subfloors
- • High risk due to natural timber movement
- • Requires crack isolation membrane system
- • Subfloor must be extremely stable (minimal deflection)
- • Not recommended for suspended timber floors with significant movement
- • Plywood over timber may be suitable with proper preparation
Slabs with Active Cracking
- • Cracks will telegraph through microcement
- • Requires crack isolation membrane or repair
- • Source of cracking must be identified (structural vs shrinkage)
- • • Ongoing structural movement = unsuitable
Painted Surfaces
- • Paint must be fully removed (adhesion failure risk)
- • Grinding or chemical stripping required
- • Residual paint prevents proper bonding
✗ Unsuitable Substrates
Structurally Unsound Substrates
Delaminating tiles, crumbling concrete, rotted timber - must be repaired or replaced first.
Surfaces with Active Moisture Issues
Rising damp, leaks, or hydrostatic pressure must be resolved before microcement installation.
Highly Flexible Surfaces
Surfaces with significant deflection or movement will cause microcement to crack.
Preparation Process
Proper preparation is as important as the microcement application itself. Shortcuts in preparation are a primary cause of failure.
Surface Cleaning
Remove all dust, grease, oils, sealers, and contaminants. Grinding or chemical cleaning may be required.
Repair & Leveling
Fill cracks, holes, and uneven areas. Grind high spots. Substrate must be level within acceptable tolerances.
Moisture Testing
Concrete slabs tested for moisture content. Excessive moisture prevents proper adhesion and curing.
Crack Isolation (If Required)
Membrane systems applied over substrates prone to minor movement or existing hairline cracks.
Priming
Specialized primers ensure adhesion between substrate and microcement system. Primer type varies by substrate.
Project Planning
Installation Timeline & Process
Understanding realistic timeframes for proper MicroLux system installation.
Important Timeline Consideration:
Microcement cannot be rushed. Proper curing time between coats and before use is essential. Projects with tight deadlines may not be suitable.
Project Timeline
Day 1
Preparation and Priming
- • Substrate inspection and preparation
- • Surface cleaning and repair
- • Primer application (substrate-specific)
- • Fibreglass mesh installation (when required)
Day 2
Base Coat
- • First base coat applied
- • Curing time overnight
Day 3
Sand and Second Base Coat
- • Sand first base coat
- • Apply second base coat
- • Curing time overnight
Day 4
Sand and First Coloured Coat
- • Sand second base coat
- • Apply first coloured coat
- • Curing time overnight
Day 5
Sand and Second Coloured Coat
- • Sand first colour coat
- • Apply second colour coat
- • Curing time overnight
Day 6
Sand and First Sealer Coat
- • Sand second colour coat
- • Apply first sealer coat
- • Drying time: 4-6 hours
Day 7
Second Sealer Coat
- • Apply second sealer coat
- • Final protective layer
Day 8
Handover
- • Project handover and inspection
- • Care instructions provided
Post-Installation
Curing Period
- • Area cannot be used for 7 days post-installation
- • Sealers require 7 days to cure sufficiently
- • Sealers fully cured 30 days post-installation
- • Avoid water exposure and heavy traffic during cure period
Factors That Extend Timeline
Complex Substrate Preparation
Extensive repairs, multiple crack isolation layers, or difficult access areas add time.
Large Project Areas
Larger spaces require more application days and longer curing periods.
Weather & Environmental Conditions
Cold temperatures, high humidity, or poor ventilation slow drying and curing.
Custom Finishes & Techniques
Multiple colours or highly textured finishes require additional application time.
Occupied Spaces
Working around occupants or limited access windows extends project duration.
Realistic Expectations:
The 8-day installation process is followed by a mandatory 7-day curing period before the area can be used. Full sealer cure takes 30 days. Installers who promise significantly faster completion are likely cutting corners.
Standards & Compliance
Industry Standards & Quality Assurance
Technical standards and certifications relevant to MicroLux system installation in Australia.
Relevant Australian Standards
AS 3740 - Waterproofing of Domestic Wet Areas
Critical standard for bathroom and wet area installations. Microcement must be installed over compliant waterproofing systems.
- • Certified waterproofing membrane required beneath microcement in wet areas
- • Proper detailing at junctions, penetrations, and changes of plane
- • Microcement is a finish layer, NOT a waterproofing layer
AS 4654 - Waterproofing Membranes
Standards for waterproofing membrane products used beneath MicroLux system.
AS/NZS 4586 - Slip Resistance
Classification of slip resistance for floor surfaces. Relevant for MicroLux floor applications, particularly wet areas.
- • Slip resistance achieved through sealer selection and finish texture
- • Testing can be performed on sample boards
- • Wet area floors require higher slip resistance ratings
Cemher MicrOne Product Certifications
The Cemher MicrOne products used in the MicroLux Microcement Coating System™ include technical documentation and performance testing:
- • Technical data sheets for all system components
- • Adhesion testing results
- • Abrasion resistance testing
- • Chemical resistance documentation
- • VOC compliance certificates
- • Application guidelines and specifications
Installer Qualifications & Experience
Microcement installation is a specialized skill. Not all renderers, tilers, or painters are qualified to install MicroLux system.
What to Look For in an Installer:
- • Specific training in resin-based microcement systems
- • Portfolio of completed projects (not just sample boards)
- • Understanding of substrate assessment and preparation
- • Knowledge of waterproofing integration requirements
- • Realistic timeline and cost estimates
- • Willingness to decline unsuitable projects
- • Warranty and after-care support
Warning Signs:
- • Installer claims Microcement is suitable for any surface
- • No substrate assessment offered
- • Promises completion in 2-3 days
- • • Significantly cheaper than other quotes (likely using decorative skim systems)
- • Cannot explain difference between cementitious and resin-based systems
Building Code Compliance
Microcement installations must comply with the National Construction Code (NCC) and local building regulations:
- • Waterproofing compliance for wet areas (mandatory)
- • Slip resistance requirements for bathroom floors
- • Fire resistance ratings (if applicable to project type)
- • Accessibility standards (if required)
MicroLux ensures all installations meet relevant building code requirements for Melbourne projects.
Sustainability
Environmental Considerations
Understanding the environmental profile of MicroLux systems.
Environmental Benefits
Renovation Over Demolition
Can be applied over existing tiles, eliminating demolition waste, landfill impact, and disposal costs.
Longevity Reduces Replacement Cycles
Properly installed MicroLux lasts 15-25+ years, reducing the frequency of renovation and associated resource consumption.
Minimal Material Thickness
2-3mm total thickness means significantly less material consumption compared to tiles (10-15mm) or thick concrete toppings.
Repairability
Damaged areas can be repaired rather than requiring full replacement, extending service life and reducing waste.
Compatible with Underfloor Heating
Excellent thermal conductivity allows efficient use of radiant heating systems, reducing energy consumption.
Environmental Considerations
Polymer Content
Resin-based systems contain synthetic polymers derived from petrochemicals. While this provides superior performance, it is not a natural material.
VOC Emissions
Modern resin-based MicroLux systems have low VOC content and meet Australian standards. However, some odor during application and curing is normal. Adequate ventilation required.
End-of-Life Disposal
Microcement is not easily recyclable. When removed, it becomes construction waste. However, longevity means this occurs infrequently.
Environmental Comparison to Alternatives
vs Ceramic Tiles
- • Tiles require high-temperature firing (energy-intensive manufacturing)
- • Heavier material = higher transport emissions
- • Tile demolition creates significant landfill waste
- • Microcement advantage: Can overlay tiles, avoiding demolition
vs Polished Concrete
- • Concrete production is carbon-intensive (cement manufacturing)
- • Grinding process creates dust and uses energy
- • Microcement uses less material volume overall
- • Both have similar longevity profiles
vs Vinyl/LVT
- • Vinyl is petroleum-based plastic (similar to Microcement polymers)
- • Shorter lifespan (5-15 years) = more frequent replacement
- • Difficult to recycle, often ends in landfill
- • Microcement advantage: Longer service life reduces replacement cycles
Balanced Perspective:
Microcement is not a "green" material in the sense of being natural or biodegradable. However, its longevity, repairability, and ability to avoid demolition waste provide environmental benefits compared to frequent replacement of alternative finishes. The most sustainable choice is often the one that lasts longest and requires least frequent replacement.
Request Project Assessment
If you are considering the MicroLux Microcement Coating System™ for your Melbourne project and would like to determine suitability, submit your details below to arrange a technical assessment.
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